@book{234875,
	author = {O'Connor, William E. and ProQuest (Firm)},
	title = {An introduction to airline economics},
	publisher = {Praeger,},
	year = {2001.},
	address = {Westport, Conn. :},
	edition = {6th ed.},
	url = {https://ebookcentral.proquest.com/lib/kuct-ebooks/detail.action?docID=282738}
}